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A lens having a focal length of 20 cm is positioned 45 cm in front of the lens with a focal length of 5.0 cm. Determine how far from the second lens is the final image of an object infinitely far fr
Its initial speed is 1.0 m/s, however after one revolution; the speed has reduced to 0.75 m/s, due to friction. Determine: (i) the coefficient of kinetic friction and (ii) the number of revolutions
The force is not parallel to the hill. When the coefficient of kinetic friction among the block and the slope is 0.10, determine the speed of the block as it completes its 5 m displacement.
The first person is primarily moving forward with a speed of 2.40 m/s, and the second person is primarily at rest. Determine the velocities of the two people after the snowball is exchanged? Ignore
i) The width of central maximum on a screen is around 8.10 cm. Determine how far is the screen from the slit? ii) Find out the width of the first bright fringe to the side of central maximum.
Therefore you accelerate at 2 m/s/s till you catch them. Determine how many seconds does it take to catch the other car? Determine how far do you travel in the process? Determine how fast are you go
When the maximum emf the generator to generate is 22 Volts, then determine the secondary emf at t = 1.6 seconds in volts?
Determine the average energy density in the electric field in terms of the average energy density in the magnetic field (uM). Describe your answer in terms of the variable (uM) and suitable constant
Determine the net elapsed time until the mass returns to its beginning point. (Hint: The mass experiences a partial cycle of simple harmonic motion while in contact with the spring.)
You desire to build a 15.0cm long solenoid which will encompass a magnetic field magnitude of 7.0mT within it when the current via the solenoid is 2.5A. Determine how many turns do you require?
Regrettably, when the crate arrives at a point 15.9 meters above the ground, the crewman slips and the crate instantly accelerates toward the ground, dragging the hapless crewman across the ice and
The magnetic field at the center of 1.1 cm diameter loop is 2.6 mT. Determine the current in the loop? A long straight wire carries the similar current. Determine at what distance from the wire is
A 1.60 m diameter current loop having 210 turns of wire is set up so that the field at the center is precisely equivalent to the earth's field in magnitude however opposite in direction. Determine t
Suppose the rope and pulley are mass-less and there is no friction in the pulley. If the masses are of 19.9 kg, compute their acceleration ‘a’ and the tension in the rope, T. Use g = 9.8
Though, the superconductivity is destroyed when the magnetic field at the surface of the metal reaches or surpasses 0.10 T. Determine the maximum current in a straight, 3.2 mm diameter super-conduct
The length of a bicycle pedal arm is around 0.152 m, and a downward force of 148 N is exerted to the pedal by the rider's foot. Determine the magnitude of the torque around the pedal arm's pivot poi
Flywheel Rotating A flywheel having a diameter of 1.80 m is rotating at a rotational speed of 260 rev/min. i) Determine the rotational speed of the flywheel in rad/s?
In an area where the magnetic field is B = 2.5i + 3.6j + 1.5k, an electron moves with velocity v = -3.0i + 4.0j - 3.5 km where B is in tesla and v is in meters per second. Determine the magnetic for
A solenoid employed to generate magnetic fields for research purposes is 2.1 m long, having an inner radius of 28 cm and 1300 turns of wire. If running, the solenoid generated a field of 1.3 T in th
The plane of coil lies in the plane of this page and the current is flowing via the coil in a counter-clockwise direction. Determine the direction of the field?
Determine the final velocity of B? Determine the change in the net kinetic energy (comprising sign)?
You weigh 590 N at side-walk level outside the World Trade Center in New York City. Assume that you ride from this level to the top of one of its 410 m towers. Avoiding Earth's rotation, determine h
A charge of q is moving with a velocity v at an angle θ with respect to the direction of the magnetic field B which points all along the x-axis. For what angle θ is the magnitude of the
Four uniform spheres, having masses mA = 400 kg, mB = 700 kg, mC = 2000 kg and mD = 400 kg, encompass (x, y) coordinates of (0, 50 cm), (0, 0), (-80 cm, 0), and (40 cm, 0), correspondingly. Determin
Determine the radius of the circular orbit for (i) an electron having speed 4.0×10^6 m/s and (ii) a proton having speed 6.0×10^4 m/s?